/* Shared tail + family strip for email infrastructure pages */
.pt{--pt-ink:var(--jv-ink);--pt-mute:var(--jv-ink-mute);--pt-acc:var(--jv-navy);--pt-on:#fff;--pt-soft:var(--jv-mint-soft);--pt-card:var(--jv-surface);--pt-line:var(--jv-border);--pt-ok:var(--jv-success);--pt-bg:var(--jv-canvas-soft);color:var(--pt-ink)}
html.dark .pt{--pt-acc:var(--jv-mint);--pt-on:var(--jv-navy-ink);--pt-ok:var(--jv-mint);--pt-soft:rgba(144,208,186,.1)}
.pt-kick{display:inline-flex;align-items:center;gap:8px;font:600 .78rem/1 var(--jv-font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--pt-acc)}
.pt-kick::before{content:"";width:22px;height:2px;background:currentColor}
.pt-sec{padding:76px 0;background:var(--pt-bg,var(--jv-canvas-soft));color:var(--pt-ink)}
.pt-sec--alt{background:var(--pt-card)}
.pt-sec h2,.pt-sec h3,.pt-sec h4,.pt-fam h2{font-family:var(--jv-font-display);color:var(--pt-ink)}
.pt-head{max-width:720px;margin-bottom:36px}
.pt-head h2{margin:12px 0 0;font-size:clamp(1.8rem,3.4vw,2.6rem);line-height:1.1;letter-spacing:-.025em}
.pt-head p{margin:14px 0 0;font-size:1.06rem;line-height:1.6;color:var(--pt-mute)}
.pt-head--sub{margin:56px 0 24px}.pt-head--c{margin-inline:auto;text-align:center}
.pt-cert{display:flex;gap:12px;align-items:flex-start;margin-top:20px;padding:16px 18px;border-radius:12px;background:var(--pt-soft);line-height:1.5}
.pt-cert svg,.pt-sup svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.pt-cert svg{color:var(--pt-ok);margin-top:2px}
.pt-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pt-card{padding:22px;border-radius:16px;background:var(--pt-card);border:1px solid var(--pt-line)}
.pt-ic{display:grid;place-items:center;flex:none;width:42px;height:42px;border-radius:12px;background:var(--pt-soft);color:var(--pt-acc)}
.pt-ic svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.pt-card h3{margin:14px 0 6px;font-size:1.04rem}.pt-card p{margin:0;font-size:.93rem;line-height:1.55;color:var(--pt-mute)}
.pt-who{display:flex;flex-wrap:wrap;gap:12px}
.pt-who div{flex:1 1 220px;padding:16px 18px;border-radius:14px;border:1px dashed var(--jv-mint-strong);background:var(--pt-card)}
.pt-who strong{display:block;margin-bottom:4px}.pt-who span{font-size:.9rem;line-height:1.5;color:var(--pt-mute)}
.pt-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin:0;padding:0;list-style:none}
.pt-steps li{position:relative;padding:0 20px 0 0}
.pt-steps li::before{content:"";position:absolute;top:22px;left:50px;right:0;border-top:3px dashed color-mix(in srgb,var(--pt-acc) 35%,transparent)}
.pt-steps li:last-child::before{display:none}
.pt-steps__ic{position:relative;z-index:1;display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--pt-acc);color:var(--pt-on)}
.pt-steps__ic svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.pt-steps h3{margin:14px 0 6px;font-size:1.1rem}.pt-steps p{margin:0 0 12px;font-size:.92rem;line-height:1.55;color:var(--pt-mute)}
.pt-steps dl{margin:0;display:grid;gap:8px;font-size:.88rem}
.pt-steps dl div{padding:10px 12px;border-radius:10px;background:var(--pt-bg);border:1px solid var(--pt-line)}
.pt-steps dt{font:700 .68rem var(--jv-font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--pt-acc)}
.pt-steps dd{margin:2px 0 0;line-height:1.45;color:var(--pt-ink)}
.pt-sub{margin:50px 0 18px;font-size:1.3rem}
.pt-plat{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.pt-plat__i{display:flex;gap:12px;padding:16px;border-radius:14px;background:var(--pt-bg);border:1px solid var(--pt-line)}
.pt-plat h4{margin:0 0 3px;font-size:.98rem}.pt-plat p{margin:0;font-size:.86rem;line-height:1.45;color:var(--pt-mute)}
.pt-sup{display:grid;grid-template-columns:1fr 1.1fr;gap:34px;padding:44px;border-radius:26px;background:linear-gradient(135deg,var(--jv-navy-ink),var(--jv-navy));color:#e8eefc}
.pt-sec .pt-sup h2{margin:12px 0 0;color:#fff;font-size:clamp(1.7rem,3vw,2.4rem);line-height:1.12}
.pt-sup .pt-kick{color:var(--jv-mint)}
.pt-sup p{margin:14px 0 0;line-height:1.6;color:#c3d0f0}
.pt-sup__pm{margin-top:20px;padding:16px 18px;border-radius:14px;background:#ffffff1c;border:1px solid #ffffff38;line-height:1.5}
.pt-sup__pm b{display:block;color:#fff;margin-bottom:4px}
.pt-sup__g{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-content:start}
.pt-sup__g article{padding:18px;border-radius:14px;background:#ffffff17;border:1px solid #ffffff2e}
.pt-sup__g svg{color:#fff}
.pt-sec .pt-sup__g h3{margin:10px 0 4px;color:#fff;font-size:1rem}.pt-sup__g p{margin:0;font-size:.88rem;color:#c3d0f0}
.pt-faq{max-width:860px;margin:0 auto}
.pt-faq details{border-bottom:1px solid var(--pt-line)}
.pt-faq summary{display:flex;justify-content:space-between;gap:16px;padding:20px 0;font:600 1.08rem var(--jv-font-display);cursor:pointer;list-style:none;color:var(--pt-ink)}
.pt-faq summary::-webkit-details-marker{display:none}
.pt-faq summary::after{content:"+";font-size:1.5rem;line-height:1;color:var(--pt-acc)}
.pt-faq details[open] summary::after{content:"\2212"}
.pt-faq details p{margin:0 0 20px;line-height:1.65;color:var(--pt-mute)}
.pt-cta .jv-jh-cta2 h2{color:#fff}
/* family strip */
.pt-fam{padding:70px 0;background:var(--pt-bg);border-top:1px solid var(--pt-line)}
.pt-fam h2{margin:12px 0 0;font-size:clamp(1.6rem,3vw,2.2rem);letter-spacing:-.02em}
.pt-fam__p{margin:10px 0 28px;color:var(--pt-mute)}
.pt-fam__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pt-fam__c{position:relative;display:flex;flex-direction:column;gap:8px;padding:24px;border-radius:18px;background:var(--pt-card);border:1.5px solid var(--pt-line);color:var(--pt-ink);transition:transform .2s,border-color .2s,box-shadow .2s}
a.pt-fam__c:hover{transform:translateY(-4px);border-color:var(--jv-mint-strong);box-shadow:var(--jv-shadow-card)}
.pt-fam__c small{font:700 .7rem var(--jv-font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--pt-mute)}
.pt-fam__c b{font:800 1.5rem var(--jv-font-display)}
.pt-fam__c span{line-height:1.55;color:var(--pt-mute);font-size:.95rem}
.pt-fam__c em{display:inline-flex;align-items:center;gap:8px;margin-top:auto;padding-top:8px;font-style:normal;font-weight:700;color:var(--pt-acc)}
.pt-fam__c em svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.pt-fam__c.is-on{background:var(--pt-soft);border-color:var(--jv-mint-strong)}
.pt-fam__c.is-on small{color:var(--pt-ok)}
@media(max-width:1000px){.pt-grid3,.pt-plat,.pt-fam__grid{grid-template-columns:1fr 1fr}.pt-steps{grid-template-columns:1fr 1fr;gap:28px}.pt-steps li::before{display:none}.pt-sup{grid-template-columns:1fr}}
@media(max-width:640px){.pt-sec{padding:56px 0}.pt-grid3,.pt-plat,.pt-fam__grid,.pt-steps,.pt-sup__g{grid-template-columns:1fr}.pt-sup{padding:26px}}